<?
	function crearConexion(){
		$hostname = 'localhost';
		$dbname = 'abd';
		$username = 'abd';
		$password = 'practica';
		
		try{
			$dbh = new PDO("mysql:host=$hostname;dbname=$dbname", $username, $password);
			return $dbh;
			
		}catch( PDOException $e ) {
			echo "error de conexión: ".$e->GetMessage();
		}
		
	}
?>